/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.trino.testing.statistics;

import io.trino.cost.PlanNodeStatsEstimate;

import java.util.OptionalDouble;

public interface Metric
{
    OptionalDouble getValueFromPlanNodeEstimate(PlanNodeStatsEstimate planNodeStatsEstimate, StatsContext statsContext);

    OptionalDouble getValueFromAggregationQueryResult(Object value);

    // TODO rename to getAggregationSql
    String getComputingAggregationSql();
}
